454. BULLETIN 100, UNITED STATES NATIONAL MUSEUM 
Metalia— Continued 
spatagus, 159 
sternalis, 139 
metallina, Sapphirina, 322 
Metridia, 148, 263 
atra, 263 
boeckii, 263 
brevicauda, 264 
curticauda, 264 
gerlachei, vili, 264 
longa, 264 
lucens, 265 
macrura, vill, 265 
princeps, 265 
venusta, 265 
Micraster, 113 
Micrasteridae, 93, 113 
microcanthus, Gaetanus, 231, 351 
Microcyphus, 46, 47 
exceniricus, 1, 46 
javanus, 47 
sp., 47 : 
micropetala, Brissopsis, 124 
Micropyga, 29 
tuberculata, 29, 33, 35 
violacea, 32 
Micropygidae, 1, 29 
Microsetella, 266 
norvegica, 266 
rosea, 266 
miles, Gaetanus, 150, 232 
Minoinae, 68 
minor, Bathypontia, 171 
Calanopia, 175 
Cetochilus, 268 
Gaetanus, 233 
Mormonilla, 268 
Nannocalanus, 268 
Scolecithricella, viii (pt. 4), 334 
Scolecithrix, 334 
Minous monodactylus, 70 
minuta, Labidocera, 247 
Oncaea, 272 
Peronella, 102 
minutipalpus, Enterohalacarus, 28 
minutum, Labidocera, 247 
Laganum, 102 
minutus, Gaidius, 234 
Pseudocalanus, 316 
mirabile, Palaeostoma, 112 
mirabilis, Caenopedina, 38 
Copilia, 191 
Leskia, 112 
Palaeostoma, 112 
Miracia, 266 
efferata, 266 
gracilis, 269, 270 
molaris, Echinostrephus, 50 
momachus, Acrocalanus, 158 
Monacanthidae, 90 
monachus, Hucalanus, 209 
Monacilla, 266, 267 
dubia, 266, 267 
semispina, 266 
tenera, 267 
typica, 267 
VOL. 14 
Monoculus finmarchicus, 177 
monodactylus, Minous, 70 
monolini, Genocidaris, 40 
Orechinus, 40 
Trigonocidaris, 40 
Monops armatus, 304 
brevis, 306 
lubbockii, 310 
Monstrilla, 197, 267 
Monstrilla, clavata, 267 
leucopsis, 267 
longispinosa, 197 
serricornis, 268 
Monstrilloida, 197 
Mormonilla, 268 
minor, 268 
phasma, 268 
Mortensen, Theodor; Report on the 
Echinoideacollected by the United 
States Fisheries Steamer ‘‘Alba- 
tross”’ during the Philippine Ex- 
pedition, 1907-1910. Part 2: 
The Echinothuridae, Saleniidae, 
Arbaciidae, Aspidodiadematidae, 
Micropygidae, Diadematidae, 
Pedinidae, Temnopleuridae, Tox- 
opneustidae, and Echinometridae, 
1-52 
Mortensen, Theodor; Report on the 
Echinoidea collected by the Unit- 
ed States Fisheries Steamer ‘‘Al- 
batross’”’ during the Philippine 
Expedition, 1907-1910. Part 3: 
The Echinoneidae, Echinolam- 
padidae, Clypeastridae, Arachnoi- 
didae, Laganidae, Fibulariidae, 
Urechinidae, Echinocorythidae, 
Palaecostomatidae, Micrasteridae, 
Palaeopneustidae, Hemiasteridae, 
and Spatangidae, 93-140 
Mucronalia sp., 36 
Aegisthus, 158 
Eucalanus, 209 
Haloptilus, 236 
Hemicalanus, 236 
murrayana, Conolampas, 96 
murrayi, Ipnops, 56 
Linopneustes, 114 
Nogagus, 201 
Paleopneustes, 114 
Tortanus, 346 
muticus, Kucalanus, 209, 351 
muticus, Phyllopus, 289 
Pontoptilus, 314 
nana, Oithona, 271 
Oithonina, 271 
Nannocalanus, 268 
minor, 268 
nanus, Paracalanus, 275 
nasutus, Rhincalanus, 318 
negligens, Acartia, 155 
Neocalanus, 269 
gracilis, 269 
robustior, 269 
tenuicornis, 269 
